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Scientific American, Vol. 3, No. 20 (1860) (1860)

leaf 15

An illustration from Scientific American, Vol. 3, No. 20 (1860), 1860, leaf 15
f doors Fig. 1 represents a plan view of this keyboard and for the piano, with chromatic keyboard; they will be among the scenes of nature. The third out-door mecting Fig. 2 a vertical section of tho same, with the bar and followed by compositions from some of our best writers nameboard of a square… … inches long, }-inch wide and q-inch high, glued on to all the keys in the above- here and abroad. We have. the first of these pieces, mentioned place. They present a perfectly level surface which is dedicated to Franz Liszt, before us; it is quite when at rest, and those back of the white keys are…

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